{"title":"Nissan SR20 - Valve springs","description":null,"products":[{"product_id":"kelford-318-308-na-sr16ve-na-sr20ve-copy","title":"Kelford KVS10-BT-R | SR16VE\/SR20VE Beehive Springs for Roller Rocker Conversion","description":"\u003ch3\u003eKelford KVS10-BT-R | SR16VE\/SR20VE Beehive Springs for Roller Rocker Conversion\u003c\/h3\u003e\n\u003cp\u003eSpring kit to suit the R184- series of cams using the MT Performance roller rocker conversion.\u003c\/p\u003e\n\u003cp\u003eThe Titanium retainer has been redesigned to remove the shim cup and make setting lash with a feeler gauge easier.\u003c\/p\u003e\n\u003cp\u003eRetainer has also been further strengthened to increase durability for extreme applications.\u003c\/p\u003e\n\u003cp\u003ePremium quality PACALOY beehive valve spring and titanium retainer kit.\u003c\/p\u003e\n\u003cp\u003e100lbs at 37.5mm installed height. 230lbs at 12mm valve lift. Spring coil bind at 23mm.\u003c\/p\u003e\n\u003cp\u003eKit contains 16x springs and 16x retainers.\u003c\/p\u003e\n\u003cp\u003eNote: Roller rocker kit is sold separately.\u003c\/p\u003e\n\u003cp\u003eMT Performance roller rocker arms can be purchased here: \u003ca href=\"https:\/\/www.mazworx.com\/sr20ve-roller-rocker-set.aspx\"\u003eMT Performance – SR20VE Roller Rocker Set #184-RR\u003c\/a\u003e\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54121394340187,"sku":"KVS10-BT-R","price":854.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/KVS10-BT-R-940x669.jpg?v=1789829272"},{"product_id":"kelford-310-306-sr16ve-sr20ve-roller-rocker-copy","title":"Kelford KVS10-BT | SR16VE\/SR20VE Beehive Springs","description":"\u003ch3\u003eKelford KVS10-BT | SR16VE\/SR20VE Beehive Springs\u003c\/h3\u003e\n\u003cp\u003ePremium quality PACALOY beehive valve spring and titanium retainer kit. Designed for high rpm applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e95lb seat pressure. Maximum lift 15.0mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54121484616027,"sku":"KVS10-BT","price":854.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/1630-ii_1_411_6.jpg?v=1789830230"},{"product_id":"kelford-280-280-sr20det-nvcs-turbo-copy","title":"Kelford KVS93 | SR20DET Valve Springs","description":"\u003ch3\u003eKelford KVS93 | SR20DET Valve Springs\u003c\/h3\u003e\n\u003cp\u003eDrop-in PACALOY high performance single valve spring set. Use with OEM retainers and spring base.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e92lb seat pressure at\u003c\/li\u003e\n\u003cli\u003e39.90mm installed height.\u003c\/li\u003e\n\u003cli\u003eCoil Bind at 23.25mm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54122299359579,"sku":"KVS93","price":386.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/1589-ii_1_375_6.jpg?v=1789847197"},{"product_id":"kelford-kvs93-sr20det-valve-springs-copy","title":"Kelford KVS93-BT | SR20DET Beehive Springs","description":"\u003ch3\u003eKelford KVS93-BT | SR20DET Beehive Springs\u003c\/h3\u003e\n\u003cp\u003ePremium quality ovate wire Beehive valve spring set with Titanium retainers. Nano-peen and gold nitride surface finish process for ultimate strength. Suits high rpm, high boost turbo engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse OEM spring base to give 95lb seat pressure.\u003c\/li\u003e\n\u003cli\u003e15.00mm maximum lift.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54122309026139,"sku":"KVS93-BT","price":752.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/sr20det-beehive-valve-spring-with-titanium-retainers-1.webp?v=1789847377"},{"product_id":"kelford-sr-valve-train-organiser-tray-copy","title":"Kelford SR In Car Valve Spring Tool","description":"\u003ch4\u003eKelford SR In Car Valve Spring Tool\u003c\/h4\u003e\n\u003cp\u003eDesigned specifically for the SR20DE and SR20DET engines, the HRB SR In-Car Valve Spring Compressor Tool allows professional engine builders and enthusiasts to replace valve springs without removing the cylinder head. Developed and tested in our high-performance engine building workshop, this tool simplifies one of the trickiest maintenance procedures, providing better access, control, and precision during installation. Whether you’re upgrading valve springs for a high-boost application or simply performing a refresh, the HRB tool ensures you get the job done faster, easier, and without unnecessary engine teardown.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet 6061 aluminium body\u003c\/strong\u003efor strength and durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet stainless steel retainer cup\u003c\/strong\u003e with large cut-away for easier keeper removal and installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBronze bush\u003c\/strong\u003e for ultra-smooth operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e¼-inch drive\u003c\/strong\u003e threaded rod for precise control during compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaptive design\u003c\/strong\u003e – tool remains assembled during use for added safety\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodised finish\u003c\/strong\u003efor corrosion resistance and professional appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied with bolts\u003c\/strong\u003e ready for use on SR cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the HRB SR In-Car Valve Spring Compressor Tool?\u003c\/h3\u003e\n\u003cp\u003eBuilt with real-world engine assembly in mind, the HRB Professional SR Valve Spring Compressor makes light work of an otherwise frustrating task. Whether you’re working on a time-sensitive engine build or tackling a valve spring upgrade at home, this tool eliminates the need to remove the cylinder head – saving you hours of labor and reducing the risk of disturbing head gasket sealing.\u003c\/p\u003e\n\u003cp\u003eCompatible with SR20DE and SR20DET engine variants, this tool is a must-have for anyone serious about working on NISSAN performance engines. Perfect for drift car setups, high-power street builds, and full race engine programs. HRB Professional Engine Building Tools are trusted by engine shops, performance tuners, and DIY enthusiasts worldwide who demand reliability, precision, and workshop-ready solutions.\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54122334421339,"sku":"HRB-ICS-SR","price":310.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/SRInCarValveSpringTool2-940x627.jpg?v=1789848889"},{"product_id":"brian-crower-bc1200-1-single-valve-spring-1-pc-nissan-sr20de-sr20det","title":"Brian Crower BC1200-1 Single Valve Spring (1 pc) - Nissan SR20DE \/ SR20DET","description":"\u003ch1\u003eBrian Crower Single Valve Spring (1 pc) – Nissan SR20DE \/ SR20DET\u003c\/h1\u003e\n\u003cp\u003eDesigned for high rpm, BC valve springs by PAC Racing are wound from super clean chrome silicon alloy, with proprietary processing for consistent pressures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring: Single\u003c\/li\u003e\n\u003cli\u003eFree length: 1.980\" (50.29 mm)\u003c\/li\u003e\n\u003cli\u003eSeat pressure: 90 lbs (400 N) @ 1.550\" (39.37 mm)\u003c\/li\u003e\n\u003cli\u003eOpen pressure: 220 lbs (979 N) @ 1.025\" (26.03 mm)\u003c\/li\u003e\n\u003cli\u003eCoil bind: 0.910\" (23.11 mm)\u003c\/li\u003e\n\u003cli\u003eRetainer: BC2200, BC2200S, OEM\u003c\/li\u003e\n\u003cli\u003eSpring seat: OEM\u003c\/li\u003e\n\u003cli\u003eMax. net cam lift: 0.550\" \/ 13.97 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNissan SR20DE \/ SR20DET\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":55180886638939,"sku":"BC1200-1","price":8.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/imagephotoaid-removed-background__13.png?v=1794601053"},{"product_id":"brian-crower-bc0240-dual-spring-titanium-retainer-kit-nissan-sr20ve","title":"Brian Crower BC0240 Dual Spring \u0026 Titanium Retainer Kit - Nissan SR20VE","description":"\u003ch1\u003eBrian Crower Dual Spring \u0026amp; Titanium Retainer Kit – Nissan SR20VE\u003c\/h1\u003e\n\u003cp\u003eDesigned for high rpm, BC valve springs by PAC Racing are wound from super clean chrome silicon alloy, with proprietary processing for consistent pressures.\u003c\/p\u003e\n\u003cp\u003eTitanium retainers reduce valvetrain mass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring: BC1030 Dual\u003c\/li\u003e\n\u003cli\u003eFree length: 1.815\" (46.10 mm)\u003c\/li\u003e\n\u003cli\u003eSeat pressure: 88 lbs (391 N) @ 1.400\" (35.56 mm)\u003c\/li\u003e\n\u003cli\u003eOpen pressure: 220 lbs (979 N) @ 0.950\" (24.13 mm)\u003c\/li\u003e\n\u003cli\u003eCoil bind: 0.790\" (20.07 mm)\u003c\/li\u003e\n\u003cli\u003eRetainer: BC2205\u003c\/li\u003e\n\u003cli\u003eSpring seat: OEM\u003c\/li\u003e\n\u003cli\u003eMax. net cam lift: 0.510\" \/ 12.95 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eRetainers (titanium)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNissan SR20VE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":55180887195995,"sku":"BC0240","price":540.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/podwojne-sprezynki-i-talerzyki-zaworowe-tytanowe-bc-brian-crower-bc0240-nissan-sr20ve.jpg?v=1794601061"},{"product_id":"brian-crower-bc2200-1-titanium-valve-spring-retainer-1-pc-nissan-sr20de-sr20det","title":"Brian Crower BC2200-1 Titanium Valve Spring Retainer (1 pc) - Nissan SR20DE \/ SR20DET","description":"\u003ch1\u003eBrian Crower Titanium Valve Spring Retainer (1 pc) – Nissan SR20DE \/ SR20DET\u003c\/h1\u003e\n\u003cp\u003eThe titanium retainers are CNC-machined from 6AL4V titanium bar. The manufacturer recommends titanium retainers with dual springs only for limited street use (under 7,000 miles per year), because titanium wears over time in a dual-spring installation, even though it is approx. 40 % lighter than steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eValve stem: 6.0 mm\u003c\/li\u003e\n\u003cli\u003eO.D.: 1.137\" (28.88 mm)\u003c\/li\u003e\n\u003cli\u003eStep 1: 0.829\" (21.06 mm)\u003c\/li\u003e\n\u003cli\u003eInstalled height: Stock\u003c\/li\u003e\n\u003cli\u003eWeight: 9.4 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNissan SR20DE \/ SR20DET\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":55180920226139,"sku":"BC2200-1","price":13.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/imagephotoaid-removed-background__12.png?v=1794601359"},{"product_id":"brian-crower-bc0200s-single-spring-steel-retainer-kit-nissan-sr20de-sr20det","title":"Brian Crower BC0200S Single Spring \u0026 Steel Retainer Kit - Nissan SR20DE \/ SR20DET","description":"\u003ch1\u003eBrian Crower Single Spring \u0026amp; 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